Home / 65,725.06-90,700.61-35,510.36

Finding the Fourth Proportional to 65,725.06, 90,700.61 and 35,510.36

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Solution

The fourth proportional to 65,725.06, 90,700.61 and 35,510.36 is: 49,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,725.06 : 90,700.61 = 35,510.36 : x
  2. Step 2: Convert to fraction form
    65,725.06/90,700.61 = 35,510.36/x
  3. Step 3: Cross multiply
    65,725.06x = 90,700.61 × 35,510.36
  4. Step 4: Simplify right side
    65,725.06x = 3,220,811,313.32
  5. Step 5: Solve for x
    x = 3,220,811,313.32/65,725.06
  6. Step 6: Final answer
    x = 49,004.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.